Re: what is the sum of x and y

Actually, there is an easier method for this particular problem.We can note that x must be divisible by 13. Since it has to be positive, it cannot be 0, and since 26 is too big, it must be 13. The value of y follows immediately.

Here lies the reader who will never open this book. He is forever dead.Taking a new step, uttering a new word, is what people fear most. ― Fyodor Dostoyevsky, Crime and PunishmentThe knowledge of some things as a function of age is a delta function.

Re: what is the sum of x and y

Actually, I will. Don't you think I know how to get to the Diophantine?

Here lies the reader who will never open this book. He is forever dead.Taking a new step, uttering a new word, is what people fear most. ― Fyodor Dostoyevsky, Crime and PunishmentThe knowledge of some things as a function of age is a delta function.

Re: what is the sum of x and y

I do not consider post #3 trial and error.

Here lies the reader who will never open this book. He is forever dead.Taking a new step, uttering a new word, is what people fear most. ― Fyodor Dostoyevsky, Crime and PunishmentThe knowledge of some things as a function of age is a delta function.